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核心提示：iObserver.ClientEvent(KTransactionSuccessful);//打印在下面的框中 // Transaction can be closed now. It's not needed anymore. aTransaction.Close(); iRunning = EFalse;

iObserver.ClientEvent(KTransactionSuccessful);//打印在下面的框中 // Transaction can be closed now. It's not needed anymore. aTransaction.Close(); iRunning = EFalse; } break; case THTTPEvent::EFailed: { // Transaction completed with failure. _LIT(KTransactionFailed, "Transaction Failed"); iObserver.ClientEvent(KTransactionFailed); aTransaction.Close(); iRunning = EFalse; } break; default: // There are more events in THTTPEvent, but they are not usually // needed. However, event status smaller than zero should be handled // correctly since it's error. { TBuf< KInfotextBufferSize > text; if (aEvent.iStatus < 0) { _LIT(KErrorStr, "Error: %d"); text.Format(KErrorStr, aEvent.iStatus); // Just close the transaction on errors aTransaction.Close(); iRunning = EFalse; } else { // Other events are not errors (e.g. permanent and temporary // redirections) _LIT(KUnrecognisedEvent, "Unrecognised event: %d"); text.Format(KUnrecognisedEvent, aEvent.iStatus); } iObserver.ClientEvent(text); } break; } } // ---------------------------------------------------------------------------- // CClientEngine::MHFRunError() // // Inherited from MHTTPTransactionCallback // Called by framework when *leave* occurs in handling of transaction event. // These errors must be handled, or otherwise HTTP-CORE 6 panic is thrown. // ---------------------------------------------------------------------------- TInt CClientEngine::MHFRunError(TInt aError, RHTTPTransaction /*aTransaction*/, const THTTPEvent& /*aEvent*/) { // Just notify about the error and return KErrNone. TBuf< KInfotextBufferSize > text; _LIT(KRunError, "MHFRunError: %d"); text.Format(KRunError, aError); iObserver.ClientEvent(text); return KErrNone; } // ---------------------------------------------------------------------------- // CClientEngine::GetNextDataPart() // // Inherited from MHTTPDataSupplier // Called by framework when next part of the body is needed. In this // this